{"product_id":"fox-shox-sls-rear-shock-spring-rssp0738-mtb-rear-shock-spring","title":"Fox SLS Lightweight Steel Spring for Fox \u0026 Compatible Coil Shocks - 400lbs, 61mm Stroke, 1.385\" ID, Ultra-Light, Stress-Relieved Design","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eUpgrade your mountain biking performance with the Fox Shox SLS Spring, a precision-engineered, lightweight suspension component designed for optimal shock absorption and riding efficiency. Crafted from proprietary Fox super light steel (SLS), this spring combines innovative materials and advanced manufacturing processes to deliver superior durability and weight savings.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-2\"\u003e\u003cp\u003eMaterials \u0026amp; Engineering:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-3\"\u003e\u003cp\u003eConstructed from Fox's exclusive SLS lightweight steel, this spring features a specialized surface treatment and stress-relief process that enables a smaller wire diameter with fewer coils, significantly reducing weight without compromising strength. The result is a high-performance spring that offers excellent longevity, resilience, and consistent dampening characteristics under demanding trail conditions.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-4\"\u003e\u003cp\u003ePerformance \u0026amp; Technology:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-5\"\u003e\u003cp\u003eWith a spring rate of 400 lbs, this 61mm\/2.4\" stroke spring provides reliable support for aggressive riding styles, including trail riding, enduro, and all-mountain setups. Its engineered design ensures precise shock tuning, improved handling, and enhanced rider confidence, especially on technical terrain. Compatible with Fox coil shocks, as well as Marzocchi, DVO, MRP, and X-Fusion models, this spring enhances your suspension's responsiveness and control.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-6\"\u003e\u003cp\u003eComponent Compatibility \u0026amp; Fitment:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-7\"\u003e\u003cp\u003eFeaturing a 1.385\" inside diameter (S.H.I.S. Stem Clamp Diameter), the Fox SLS Spring fits a variety of brands and models. For detailed fitment guidance, refer to Fox's comprehensive spring selection tool at [Fox Spring Fitment Guide](https:\/\/tech.ridefox.com\/bike\/general-info\/918\/all-sls-and-standard-steel-rear-shock-spring-information).\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-8\"\u003e\u003cp\u003eStyle \u0026amp; Use Case:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-9\"\u003e\u003cp\u003eDesigned with riders in mind who demand lightweight, high-performance suspension components, this black SLS spring seamlessly integrates into your bike's suspension system while offering a sleek, low-profile appearance. Perfect for competitive racers and thrill-seekers looking to optimize their bike's spring setup for maximum efficiency and reliability on mountain trails, technical descents, and enduro courses.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-10\"\u003e\u003cp\u003eKey Features:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-11\"\u003e\u003cp\u003e- Proprietary Fox SLS lightweight steel for enhanced durability and weight savings\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-12\"\u003e\u003cp\u003e- Advanced surface treatment and stress relief for longevity\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-13\"\u003e\u003cp\u003e- Compatible with multiple shock brands including Fox, Marzocchi, DVO, MRP, and X-Fusion\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-14\"\u003e\u003cp\u003e- 400 lbs spring rate for aggressive riding and technical terrain\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-15\"\u003e\u003cp\u003e- 1.385\" inside diameter for versatile fitment\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-16\"\u003e\u003cp\u003e- 61mm\/2.4\" stroke length for precise shock response\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpdescription-17\"\u003e\u003cp\u003eEnhance your mountain bike's suspension system with the Fox Shox SLS Spring-engineered for riders who demand the perfect balance of lightweight design and high-performance damping.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eConstructed from proprietary Fox SLS lightweight steel, this spring features an innovative surface treatment and stress relief process, allowing for a smaller wire diameter and fewer coils to achieve a lighter overall weight without sacrificing durability. \u003c\/li\u003e\n\u003cli\u003eDesigned for optimal performance, the 400lbs spring offers reliable support and damping for aggressive trail riding, enduro, and downhill riding styles, ensuring consistent shock response under demanding conditions. \u003c\/li\u003e\n\u003cli\u003eCompatible with Fox coil shocks, as well as Marzocchi, DVO, MRP, and X-Fusion shocks with a 1.385\" ID, this spring is a versatile upgrade for a wide range of suspension setups, enhancing ride quality and responsiveness. \u003c\/li\u003e\n\u003cli\u003eWith a 61mm stroke length and sleek black finish, the SLS spring combines durability with a clean aesthetic, making it suitable for high-performance mountain biking and aggressive trail pursuits. \u003c\/li\u003e\n\u003cli\u003eFeaturing advanced engineering with proprietary materials and precise fitment specifications (35mm S.H.I.S. clamp diameter), this spring delivers superior strength, reduced weight, and improved handling for serious riders looking to optimize their suspension system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"FOX","offers":[{"title":"Default Title","offer_id":42742882041923,"sku":"RSSP0738","price":147.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/FX3908.jpg?v=1773417472","url":"https:\/\/365cycles.com\/products\/fox-shox-sls-rear-shock-spring-rssp0738-mtb-rear-shock-spring","provider":"365 Cycles","version":"1.0","type":"link"}